【题目】选择正确的单词填空。
to on and at about
【1】This is my grandfather ________ this is my grandmother.
【2】I’m in Class Three. How ________ you?
【3】Look ________ this picture.
【4】Nice ________ see you again.
【5】Look! Wang Lin is ________ TV.
【答案】
【1】and
【2】about
【3】at
【4】to
【5】on
【解析】
略